If Iron Man ever needs a new suit, he’s got options—thanks to a new material created by a team of researchers using a DNA structure and flawless glass.

This high-strength, lightweight, nano-architected silica is now the strongest known material for its given density. It comes in at five times lighter and four times stronger than steel, according to the study published in Cell Reports Physical Science.

Marrying lightweight strength in materials is the never-ending push-pull effort. But these often mutually exclusive properties may have a happy union thanks to a DNA structure and glass, according to the team.

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